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GB9927905D0 - Encoder device - Google Patents

Encoder device

Info

Publication number
GB9927905D0
GB9927905D0 GBGB9927905.1A GB9927905A GB9927905D0 GB 9927905 D0 GB9927905 D0 GB 9927905D0 GB 9927905 A GB9927905 A GB 9927905A GB 9927905 D0 GB9927905 D0 GB 9927905D0
Authority
GB
United Kingdom
Prior art keywords
encoder device
encoder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GBGB9927905.1A
Other versions
GB2345751A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teac Corp
Original Assignee
Teac Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teac Corp filed Critical Teac Corp
Publication of GB9927905D0 publication Critical patent/GB9927905D0/en
Publication of GB2345751A publication Critical patent/GB2345751A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
GB9927905A 1999-01-12 1999-11-25 Encoder device Withdrawn GB2345751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11005575A JP2000205894A (en) 1999-01-12 1999-01-12 Encoder device

Publications (2)

Publication Number Publication Date
GB9927905D0 true GB9927905D0 (en) 2000-01-26
GB2345751A GB2345751A (en) 2000-07-19

Family

ID=11615030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9927905A Withdrawn GB2345751A (en) 1999-01-12 1999-11-25 Encoder device

Country Status (4)

Country Link
US (1) US6407378B1 (en)
JP (1) JP2000205894A (en)
DE (1) DE19960890A1 (en)
GB (1) GB2345751A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6436950B1 (en) 1998-08-14 2002-08-20 Nastech Pharmaceutical Company, Inc. Nasal delivery of apomorphine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000043734A1 (en) * 1999-01-22 2000-07-27 Citizen Watch Co., Ltd. Optical instrument for measuring displacement
JP3709927B2 (en) * 2000-03-02 2005-10-26 松下電器産業株式会社 Magnetic recording device
US7196320B1 (en) 2005-03-14 2007-03-27 Robert Rickenbach Fiber optic encoder for position sensing
JP4956217B2 (en) * 2007-02-15 2012-06-20 キヤノン株式会社 Rotation angle detector
JP6054995B2 (en) 2015-01-29 2016-12-27 ファナック株式会社 Optical encoder to prevent crosstalk

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2067747B (en) 1980-01-18 1983-08-03 Stanley Tools Ltd Displacement measuring system
JP2785195B2 (en) * 1989-01-11 1998-08-13 ソニー株式会社 Optical encoder for disk drive
JPH0587590A (en) 1991-03-12 1993-04-06 Canon Electron Inc Encoder
JP3232795B2 (en) * 1992-08-06 2001-11-26 キヤノン株式会社 Detector
CH690463A5 (en) 1995-03-01 2000-09-15 Portescap incremental optical encoder.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6436950B1 (en) 1998-08-14 2002-08-20 Nastech Pharmaceutical Company, Inc. Nasal delivery of apomorphine
US6740660B2 (en) 1998-08-14 2004-05-25 Nastech Pharmaceutical Company, Inc. Nasal delivery of apomorphine

Also Published As

Publication number Publication date
JP2000205894A (en) 2000-07-28
US6407378B1 (en) 2002-06-18
GB2345751A (en) 2000-07-19
DE19960890A1 (en) 2000-07-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)